Features 1. Prince-100I fingertip pulse oximeter adopts anti-motion technology. 2. It uses a full color OLED display. 3. The pulse oximeter allows real time pulse bar and plethysmogram display. 4. With a gravity sensor, it realizes 4-direction rotation of displayed content for convenient reading. 5. The fingertip pulse oximeter has finger detection for automatic power on or off. 6. Audio alarm for abnormal readings is available. 7. Detachable pediatric probes are optional.